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Thread: Headers with stock exhaust

  1. #1

    Question Headers with stock exhaust

    I have a question.
    I have a set of headers for my 03/04 MM and i want to have them installed to the stock exhaust. Now can this be done w/o any problems like the cats burning up or cause any other harm? Any and all thoughts , suggestions and fun remarks on this would be greatly appreciated.

    Oh , yes my car is Supercharged with everything else stock .

  2. #2
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    You got things all backwards---no wonder you have problems---quit chooking your exhaust---we gotta talk..........
    03' MM Black 300 A - (FOR SALE--)
    Build Date 6/25/02 - #1,987 of 7,839 for '03
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  3. #3
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    Quote Originally Posted by MarauderMark View Post
    I have a question.
    I have a set of headers for my 03/04 MM and i want to have them installed to the stock exhaust. Now can this be done w/o any problems like the cats burning up or cause any other harm? Any and all thoughts , suggestions and fun remarks on this would be greatly appreciated.

    Oh , yes my car is Supercharged with everything else stock .
    I thought you got the engine "built" after the previous problem--whats this stock statement all about...........
    03' MM Black 300 A - (FOR SALE--)
    Build Date 6/25/02 - #1,987 of 7,839 for '03
    Vortech T- TRIM -Water to Air -
    12.45 at 109.6 MPH
    1.92 Sec .- 60 '
    Alt .SSHS 9 --11/7/09

    '06 CV P71 Street Pkg
    Interior Marauder Floor Shift
    All New Parts

    '12 F-150 KingRanch Off Rd Pkg.
    373 Gear EcoBoost- Does What's Asked

    In Memoriam....11-14-13
    He loved this site so MUCH! and the Members More!!

    Rex Weinbender (SC Cheesehead)

    One of the best friend a person could have

  4. #4
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    Why do you think the cats would burn out?

    If you install headers like the FMS shorties I just had installed you'll need a new down pipe(s) as the flanges are different.
    “When you can’t make them see the light, make them feel the heat.”
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  5. #5
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    I thought you were selling your car.
    http://classifieds.streetfire.net/vi...g.php?view=198
    2003 300A
    Black Marauder with Tints
    K&N Intake, Accufab TB, VRS catted mid pipe, SCT SF Tune, PHP Control Arms. Sold in 2014, totaled out in 2015
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  6. #6
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    Mark, stop bogarting and pass the bowl.

    Quote Originally Posted by 94_302 View Post
    I thought you were selling your car.
    http://classifieds.streetfire.net/vi...g.php?view=198
    Busted!!!
    Last edited by merc; 03-22-2007 at 06:33 PM.


    James Brown #140 "Say It Loud" Except in Bristol
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  7. #7
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    Quote Originally Posted by 94_302 View Post
    I thought you were selling your car.
    http://classifieds.streetfire.net/vi...g.php?view=198



    Wow.

    that idea.

    11.98 @ 115 mph
    "Comfort, Class and Hair on Fire Performance."

  8. #8

    the only thing my car needs is a tune...1st week o may it's hi Dennis

    Ok it's not my car i'm askin about but someone who i know asked me this question and i didn't know exactly what to tell em except that doing it this way may not be optimal for performance and i thought it would do something bad to the cats or something.
    I mean they want to put on the kooks to the stock exhaust till they can save more money for the rest.

    yeah i posted the car for sale , i figured what the hey try it..

    also the gunja is good

  9. #9
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    Quote Originally Posted by MarauderMark View Post
    I have a question.
    I have a set of headers for my 03/04 MM and i want to have them installed to the stock exhaust. Now can this be done w/o any problems like the cats burning up or cause any other harm? Any and all thoughts , suggestions and fun remarks on this would be greatly appreciated.

    Oh , yes my car is Supercharged with everything else stock .
    Dude, the car would be just like Dennis's. He uses Kooks mated to stock exhaust. I never looked at the cats. Give DR a shout.
    Magindat: (majin-dat) Imagine That.
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